#!/bin/python3 import sys n = int(input().strip()) found=[] array = [[-2 for i in range(n)] for j in range(n)] array[n-1][n-1]=1 def gopath(x,y,a,b,path): if 0<=(x+a) x.count(','): counter = x.count(',') final = x array[i][j]= counter-1 array[j][i]= counter-1 else: array[i][j]= -1 array[j][i]= -1 for i in range(1,n): for j in range(1,n): print(array[i][j],'',end ='') print('')